From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51762) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WOXDj-0000Fa-8L for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:52:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WOXDd-0007Ts-6G for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:52:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63616) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WOXDc-0007Td-UY for qemu-devel@nongnu.org; Fri, 14 Mar 2014 14:52:33 -0400 From: Eduardo Habkost Date: Fri, 14 Mar 2014 15:52:11 -0300 Message-Id: <1394823137-4369-2-git-send-email-ehabkost@redhat.com> In-Reply-To: <1394823137-4369-1-git-send-email-ehabkost@redhat.com> References: <1394823137-4369-1-git-send-email-ehabkost@redhat.com> Subject: [Qemu-devel] [PATCH v3 1/7] acpi: Add ACPI_CPU_HOTPLUG_ID_LIMIT macro List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Igor Mammedov , Laszlo Ersek , =?UTF-8?q?Andreas=20F=C3=A4rber?= , "Michael S. Tsirkin" The new macro will be helpful to allow us to detect too large SMP limits before it is too late. Signed-off-by: Eduardo Habkost Reviewed-by: Laszlo Ersek --- include/hw/acpi/cpu_hotplug_defs.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/hw/acpi/cpu_hotplug_defs.h b/include/hw/acpi/cpu_hotplug_defs.h index 2725b50..9f33663 100644 --- a/include/hw/acpi/cpu_hotplug_defs.h +++ b/include/hw/acpi/cpu_hotplug_defs.h @@ -17,7 +17,15 @@ * between C and ASL code. */ #define ACPI_CPU_HOTPLUG_STATUS 4 + +/* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should + * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT. + */ +#define ACPI_CPU_HOTPLUG_ID_LIMIT 256 + +/* 256 CPU IDs, 8 bits per entry: */ #define ACPI_GPE_PROC_LEN 32 + #define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8 #define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00 -- 1.8.5.3